CN201937816U - Electroacoustic transducer - Google Patents
Electroacoustic transducer Download PDFInfo
- Publication number
- CN201937816U CN201937816U CN2010206902158U CN201020690215U CN201937816U CN 201937816 U CN201937816 U CN 201937816U CN 2010206902158 U CN2010206902158 U CN 2010206902158U CN 201020690215 U CN201020690215 U CN 201020690215U CN 201937816 U CN201937816 U CN 201937816U
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- CN
- China
- Prior art keywords
- magnet steel
- magnetic
- electroacoustic transducer
- voice coil
- pole piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The utility model provides an electroacoustic transducer, which comprises a magnetic circuit system, a vibration system and a basin frame, wherein the vibration system is provided with voice coils, the basin frame is used for accommodating the magnetic circuit system and the vibration system, the magnetic circuit system comprises a magnetic conduction plate and magnetic steel placed on the magnetic conduction plate, the magnetic steel comprises first magnetic steel, second magnetic steel and third magnetic steel, the first magnetic steel is arranged in the middle position of the basin frame, the second magnetic steel and the third magnetic steel are respectively clamped and arranged at both sides of the first magnetic steel, magnetic gaps are formed between adjacent magnetic steel, the voice coils are placed in the magnetic gaps, the two ends parts of the magnetic steel are provided with balancing weights in butt contact with the magnetic conduction plate, and a spring leaf which is connected with the magnetic circuit system and is fixed on the basin frame is arranged on each balancing weight. The electroacoustic transducer has the advantage that the vibration performance of products can be improved.
Description
[technical field]
The utility model relates to a kind of transducer, relates in particular to a kind of electroacoustic transducer.
[background technology]
Develop rapidly along with the mobile communication cause, the user is light, little to mobile phone, thin more and more higher requirement, the loud speaker of three-in-one function occurred thereupon, and receiver, loud speaker, vibration are integrated, to reduce the volume of mobile phone, reach the effect of existing acoustical device.
The electroacoustic transducer relevant with the utility model comprises magnetic circuit system and vibrational system, and described magnetic circuit system is provided with a magnet steel.The electroacoustic transducer vibration performance of this kind structure is not high, and the sensitivity of product is not high.
Therefore, be necessary to provide a kind of novel electroacoustic transducer.
[utility model content]
The purpose of this utility model is to solve the not high deficiency of electroacoustic transducer vibration performance of said structure, and a kind of electroacoustic transducer that can improve vibration performance is provided.
The technical solution of the utility model is as follows: a kind of electroacoustic transducer, comprise magnetic circuit system, the basin frame that is provided with the vibrational system of voice coil loudspeaker voice coil and accommodates described magnetic circuit system and vibrational system, described magnetic circuit system comprises magnetic conductive board and is placed on magnet steel on the magnetic conductive board, second magnet steel and the 3rd magnet steel that described magnet steel comprises first magnet steel that places basin frame centre position and is folded in the first magnet steel both sides respectively, be provided with magnetic gap between the adjacent magnet steel, described voice coil loudspeaker voice coil places magnetic gap, the both ends of described magnet steel are provided with the balancing weight of conflicting with magnetic conductive board, and described balancing weight is provided with and is connected with magnetic circuit system and is fixed on spring leaf on the basin frame.
Preferably, described magnetic conductive board be provided with base plate, from base plate towards baffle plate that extends near the voice coil loudspeaker voice coil direction and the brace table that is positioned at the baffle plate both sides that extends from base plate.
Preferably, described balancing weight is placed on the brace table of baffle plate homonymy.
Preferably, described balancing weight is provided with the groove that holds baffle plate and towards the locating piece of the placement spring leaf that extends away from the magnetic conductive board direction.
Preferably, described first magnet steel, second magnet steel and the 3rd magnet steel are respectively equipped with first surface, second surface and the 3rd surface near vibrational system, be respectively equipped with first pole piece, second pole piece and the 3rd pole piece on described first surface, second surface and the 3rd surface, the shape of each pole piece is identical with corresponding with it magnet steel shape.
Preferably, described spring leaf be provided with the junction surface that is placed on the locating piece and extend from the junction surface be fixed on fixed part on the basin frame, the two ends at described junction surface are respectively second junction surface and the 3rd junction surface with second pole piece and the 3rd pole piece butt.
The beneficial effects of the utility model are: owing to used three magnet steel, made full use of the product volume inside, the increase of oscillating mass makes the vibration performance of product improve.Three magnet steel have also increased the magnetic property of product, make the magnetic property of product obtain fully playing, and the sensitivity of product and body vibration amount improve.
[description of drawings]
Fig. 1 is the utility model electroacoustic transducer one embodiment three-dimensional exploded view;
Fig. 2 is the part-structure stereogram of the utility model electroacoustic transducer one embodiment;
Fig. 3 is the stereogram of the utility model electroacoustic transducer one embodiment;
Fig. 4 is the profile of the utility model electroacoustic transducer one embodiment along the A-A line;
Fig. 5 is the profile of the utility model electroacoustic transducer one embodiment along the B-B line.
[embodiment]
The utility model is described in further detail below in conjunction with drawings and embodiments.
As shown in Figure 1, be the utility model one embodiment electroacoustic transducer, this electroacoustic transducer involving vibrations system, magnetic circuit system, accommodate the basin frame 91 of described vibrational system and magnetic circuit system, and the upper cover plate 11 and lower cover 12 that connect with basin frame 91 lids.Vibrational system comprises vibrating diaphragm 21 and the voice coil loudspeaker voice coil 31 that is connected with vibrating diaphragm 21.Magnetic circuit system comprises magnetic conductive board 81, folded magnet steel 51 and the pole piece 41 that is located on the magnetic conductive board 81 successively, and is placed on the balancing weight 71 on the magnetic conductive board 81.This electroacoustic transducer also comprises being fixed on and is used for the conducting terminal 13 that is connected with external circuit on the basin frame 91.
In the lump with reference to Fig. 2 to Fig. 5, described magnetic conductive board 81 is provided with base plate 810, from base plate 810 towards baffle plate 811 that extends near voice coil loudspeaker voice coil 31 directions and the brace table 812 that is positioned at baffle plate 811 both sides that extends from base plate 811.
The brace table 812 of baffle plate 811 homonymies is provided with the balancing weight 71 of conflicting with brace table 812, and balancing weight 71 is provided with the groove 710 that holds baffle plate 811, groove 710 and baffle plate 811 butts; Balancing weight 71 also is provided with towards the locating piece 711 of the placement spring leaf 61 that extends away from magnetic conductive board 81 directions.
In the multi-functional acoustical generator of above-mentioned utility model, owing to used three magnet steel 51, made full use of the product volume inside, the increase of oscillating mass makes the vibration performance of product improve.Three magnet steel 51 have also increased the magnetic property of product, make the magnetic property of product obtain fully playing, and the sensitivity of product and body vibration amount improve.
Above-described only is execution mode of the present utility model; should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite that does not break away from the utility model creation design; can also make improvement, but these all belong to protection range of the present utility model.
Claims (6)
1. electroacoustic transducer, comprise magnetic circuit system, the basin frame that is provided with the vibrational system of voice coil loudspeaker voice coil and accommodates described magnetic circuit system and vibrational system, it is characterized in that: described magnetic circuit system comprises magnetic conductive board and is placed on magnet steel on the magnetic conductive board, second magnet steel and the 3rd magnet steel that described magnet steel comprises first magnet steel that places basin frame centre position and is folded in the first magnet steel both sides respectively, be provided with magnetic gap between the adjacent magnet steel, described voice coil loudspeaker voice coil places magnetic gap, the both ends of described magnet steel are provided with the balancing weight of conflicting with magnetic conductive board, and described balancing weight is provided with and is connected with magnetic circuit system and is fixed on spring leaf on the basin frame.
2. electroacoustic transducer according to claim 1 is characterized in that: described magnetic conductive board is provided with base plate, from base plate towards baffle plate that extends near the voice coil loudspeaker voice coil direction and the brace table that is positioned at the baffle plate both sides that extends from base plate.
3. electroacoustic transducer according to claim 2 is characterized in that: described balancing weight is placed on the brace table of baffle plate homonymy.
4. electroacoustic transducer according to claim 3 is characterized in that: described balancing weight is provided with the groove that holds baffle plate and towards the locating piece of the placement spring leaf that extends away from the magnetic conductive board direction.
5. electroacoustic transducer according to claim 1, it is characterized in that: described first magnet steel, second magnet steel and the 3rd magnet steel are respectively equipped with first surface, second surface and the 3rd surface near vibrational system, be respectively equipped with first pole piece, second pole piece and the 3rd pole piece on described first surface, second surface and the 3rd surface, the shape of each pole piece is identical with corresponding with it magnet steel shape.。
6. electroacoustic transducer according to claim 5, it is characterized in that: described spring leaf be provided with the junction surface that is placed on the locating piece and extend from the junction surface be fixed on fixed part on the basin frame, the two ends at described junction surface are respectively second junction surface and the 3rd junction surface with second pole piece and the 3rd pole piece butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206902158U CN201937816U (en) | 2010-12-30 | 2010-12-30 | Electroacoustic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206902158U CN201937816U (en) | 2010-12-30 | 2010-12-30 | Electroacoustic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201937816U true CN201937816U (en) | 2011-08-17 |
Family
ID=44449318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206902158U Expired - Lifetime CN201937816U (en) | 2010-12-30 | 2010-12-30 | Electroacoustic transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201937816U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102056059A (en) * | 2011-01-05 | 2011-05-11 | 瑞声声学科技(深圳)有限公司 | Multifunctional acoustic generator |
| CN102523546A (en) * | 2011-12-30 | 2012-06-27 | 歌尔声学股份有限公司 | Miniature sound generator with moving coil and assembly method thereof |
| CN103067834A (en) * | 2012-12-14 | 2013-04-24 | 歌尔声学股份有限公司 | Vibration loudspeaker |
| CN104284280A (en) * | 2013-07-02 | 2015-01-14 | 易音特电子株式会社 | Three-magnet type microspeaker |
| WO2022006922A1 (en) * | 2020-07-06 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
-
2010
- 2010-12-30 CN CN2010206902158U patent/CN201937816U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102056059A (en) * | 2011-01-05 | 2011-05-11 | 瑞声声学科技(深圳)有限公司 | Multifunctional acoustic generator |
| CN102056059B (en) * | 2011-01-05 | 2014-08-13 | 瑞声声学科技(深圳)有限公司 | Multifunctional acoustic generator |
| CN102523546A (en) * | 2011-12-30 | 2012-06-27 | 歌尔声学股份有限公司 | Miniature sound generator with moving coil and assembly method thereof |
| CN103067834A (en) * | 2012-12-14 | 2013-04-24 | 歌尔声学股份有限公司 | Vibration loudspeaker |
| CN103067834B (en) * | 2012-12-14 | 2015-05-20 | 歌尔声学股份有限公司 | Vibration loudspeaker |
| CN104284280A (en) * | 2013-07-02 | 2015-01-14 | 易音特电子株式会社 | Three-magnet type microspeaker |
| WO2022006922A1 (en) * | 2020-07-06 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110817 |